2022-04-01 17:18:18 +02:00
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# MIT License
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#
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2023-09-29 10:31:20 +02:00
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# Copyright (c) 2016-2023 Mark Qvist / unsigned.io and contributors
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2022-04-01 17:18:18 +02:00
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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2016-06-03 19:02:02 +02:00
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import os
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2018-04-16 22:04:28 +02:00
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import sys
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2016-06-03 19:02:02 +02:00
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import glob
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2018-03-19 16:39:08 +01:00
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import time
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2019-11-10 13:56:04 +01:00
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import random
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2021-05-03 20:24:44 +02:00
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import threading
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2016-06-03 19:02:02 +02:00
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2021-08-19 14:10:37 +02:00
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from ._version import __version__
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2018-04-04 14:14:22 +02:00
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from .Reticulum import Reticulum
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2018-03-16 10:50:37 +01:00
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from .Identity import Identity
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2021-09-02 20:35:42 +02:00
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from .Link import Link, RequestReceipt
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2023-02-26 14:25:49 +01:00
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from .Channel import MessageBase
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2023-03-03 00:13:55 +01:00
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from .Buffer import Buffer, RawChannelReader, RawChannelWriter
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2018-03-16 10:50:37 +01:00
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from .Transport import Transport
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2018-03-19 16:39:08 +01:00
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from .Destination import Destination
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from .Packet import Packet
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2018-04-17 17:46:48 +02:00
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from .Packet import PacketReceipt
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2023-09-29 10:31:20 +02:00
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from .Resolver import Resolver
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2021-08-21 14:52:31 +02:00
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from .Resource import Resource, ResourceAdvertisement
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2022-06-07 15:48:23 +02:00
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from .Cryptography import HKDF
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from .Cryptography import Hashes
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2018-03-16 10:50:37 +01:00
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2016-06-03 19:02:02 +02:00
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modules = glob.glob(os.path.dirname(__file__)+"/*.py")
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2018-03-19 16:39:08 +01:00
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__all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')]
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LOG_CRITICAL = 0
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LOG_ERROR = 1
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LOG_WARNING = 2
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LOG_NOTICE = 3
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LOG_INFO = 4
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LOG_VERBOSE = 5
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LOG_DEBUG = 6
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2018-04-23 23:42:16 +02:00
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LOG_EXTREME = 7
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2018-03-19 16:39:08 +01:00
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2020-08-13 12:15:56 +02:00
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LOG_STDOUT = 0x91
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2018-03-19 16:39:08 +01:00
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LOG_FILE = 0x92
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2021-10-08 19:23:10 +02:00
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LOG_MAXSIZE = 5*1024*1024
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2022-11-01 20:26:55 +01:00
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loglevel = LOG_NOTICE
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logfile = None
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logdest = LOG_STDOUT
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logtimefmt = "%Y-%m-%d %H:%M:%S"
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compact_log_fmt = False
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2018-03-19 16:39:08 +01:00
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2022-04-27 19:00:09 +02:00
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instance_random = random.Random()
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instance_random.seed(os.urandom(10))
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2019-11-10 13:56:04 +01:00
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2021-05-03 20:24:44 +02:00
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_always_override_destination = False
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logging_lock = threading.Lock()
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2018-03-19 16:39:08 +01:00
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def loglevelname(level):
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2020-08-13 12:15:56 +02:00
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if (level == LOG_CRITICAL):
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return "Critical"
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if (level == LOG_ERROR):
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return "Error"
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if (level == LOG_WARNING):
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return "Warning"
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if (level == LOG_NOTICE):
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return "Notice"
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if (level == LOG_INFO):
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return "Info"
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if (level == LOG_VERBOSE):
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return "Verbose"
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if (level == LOG_DEBUG):
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return "Debug"
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if (level == LOG_EXTREME):
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return "Extra"
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return "Unknown"
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2018-03-19 16:39:08 +01:00
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2021-08-19 14:10:37 +02:00
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def version():
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return __version__
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2021-12-01 11:40:44 +01:00
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def host_os():
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from .vendor.platformutils import get_platform
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return get_platform()
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2022-04-20 10:40:51 +02:00
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def timestamp_str(time_s):
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timestamp = time.localtime(time_s)
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return time.strftime(logtimefmt, timestamp)
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2021-05-03 20:24:44 +02:00
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def log(msg, level=3, _override_destination = False):
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2022-11-01 20:26:55 +01:00
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global _always_override_destination, compact_log_fmt
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2023-06-05 23:31:52 +02:00
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msg = str(msg)
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2020-08-13 12:15:56 +02:00
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if loglevel >= level:
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2022-11-01 20:26:55 +01:00
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if not compact_log_fmt:
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logstring = "["+timestamp_str(time.time())+"] ["+loglevelname(level)+"] "+msg
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else:
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logstring = "["+timestamp_str(time.time())+"] "+msg
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2021-05-03 20:24:44 +02:00
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logging_lock.acquire()
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2018-03-19 16:39:08 +01:00
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2021-08-19 14:10:37 +02:00
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if (logdest == LOG_STDOUT or _always_override_destination or _override_destination):
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print(logstring)
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2021-05-03 20:24:44 +02:00
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logging_lock.release()
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2018-03-19 16:39:08 +01:00
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2021-05-03 20:24:44 +02:00
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elif (logdest == LOG_FILE and logfile != None):
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try:
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file = open(logfile, "a")
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file.write(logstring+"\n")
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file.close()
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2021-10-08 19:23:10 +02:00
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if os.path.getsize(logfile) > LOG_MAXSIZE:
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prevfile = logfile+".1"
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if os.path.isfile(prevfile):
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os.unlink(prevfile)
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os.rename(logfile, prevfile)
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2021-05-03 20:24:44 +02:00
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logging_lock.release()
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except Exception as e:
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logging_lock.release()
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_always_override_destination = True
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log("Exception occurred while writing log message to log file: "+str(e), LOG_CRITICAL)
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log("Dumping future log events to console!", LOG_CRITICAL)
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log(msg, level)
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2018-03-19 18:11:50 +01:00
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2019-11-10 13:56:04 +01:00
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def rand():
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2022-04-27 19:00:09 +02:00
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result = instance_random.random()
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2020-08-13 12:15:56 +02:00
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return result
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2019-11-10 13:56:04 +01:00
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2018-03-19 18:11:50 +01:00
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def hexrep(data, delimit=True):
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2022-01-22 21:36:49 +01:00
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try:
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iter(data)
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except TypeError:
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data = [data]
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2020-08-13 12:15:56 +02:00
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delimiter = ":"
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if not delimit:
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delimiter = ""
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hexrep = delimiter.join("{:02x}".format(c) for c in data)
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return hexrep
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2018-03-20 12:32:41 +01:00
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def prettyhexrep(data):
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2020-08-13 12:15:56 +02:00
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delimiter = ""
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hexrep = "<"+delimiter.join("{:02x}".format(c) for c in data)+">"
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return hexrep
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2018-04-16 22:04:28 +02:00
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2022-06-09 14:46:36 +02:00
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def prettysize(num, suffix='B'):
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units = ['','K','M','G','T','P','E','Z']
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last_unit = 'Y'
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if suffix == 'b':
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num *= 8
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units = ['','K','M','G','T','P','E','Z']
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last_unit = 'Y'
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for unit in units:
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if abs(num) < 1000.0:
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if unit == "":
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return "%.0f %s%s" % (num, unit, suffix)
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else:
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return "%.2f %s%s" % (num, unit, suffix)
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num /= 1000.0
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return "%.2f%s%s" % (num, last_unit, suffix)
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2023-09-30 19:09:26 +02:00
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def prettyfrequency(hz, suffix="Hz"):
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num = hz*1e6
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units = ["µ", "m", "", "K","M","G","T","P","E","Z"]
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last_unit = "Y"
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for unit in units:
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if abs(num) < 1000.0:
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if unit == "":
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2023-09-30 19:18:30 +02:00
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return "%.2f %s%s" % (num, unit, suffix)
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2023-09-30 19:09:26 +02:00
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else:
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return "%.2f %s%s" % (num, unit, suffix)
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num /= 1000.0
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return "%.2f%s%s" % (num, last_unit, suffix)
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2022-07-02 13:12:54 +02:00
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def prettytime(time, verbose=False):
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days = int(time // (24 * 3600))
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time = time % (24 * 3600)
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hours = int(time // 3600)
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time %= 3600
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minutes = int(time // 60)
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time %= 60
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seconds = round(time, 2)
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ss = "" if seconds == 1 else "s"
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sm = "" if minutes == 1 else "s"
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sh = "" if hours == 1 else "s"
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sd = "" if days == 1 else "s"
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components = []
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if days > 0:
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components.append(str(days)+" day"+sd if verbose else str(days)+"d")
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if hours > 0:
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components.append(str(hours)+" hour"+sh if verbose else str(hours)+"h")
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if minutes > 0:
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components.append(str(minutes)+" minute"+sm if verbose else str(minutes)+"m")
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if seconds > 0:
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components.append(str(seconds)+" second"+ss if verbose else str(seconds)+"s")
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i = 0
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tstr = ""
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for c in components:
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i += 1
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if i == 1:
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pass
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elif i < len(components):
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tstr += ", "
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elif i == len(components):
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tstr += " and "
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tstr += c
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2022-11-23 17:15:46 +01:00
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if tstr == "":
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return "0s"
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else:
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return tstr
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2022-07-02 13:12:54 +02:00
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2022-06-30 14:02:57 +02:00
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def phyparams():
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print("Required Physical Layer MTU : "+str(Reticulum.MTU)+" bytes")
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print("Plaintext Packet MDU : "+str(Packet.PLAIN_MDU)+" bytes")
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print("Encrypted Packet MDU : "+str(Packet.ENCRYPTED_MDU)+" bytes")
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print("Link Curve : "+str(Link.CURVE))
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2023-03-04 18:37:28 +01:00
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print("Link Packet MDU : "+str(Link.MDU)+" bytes")
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2022-06-30 14:02:57 +02:00
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print("Link Public Key Size : "+str(Link.ECPUBSIZE*8)+" bits")
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print("Link Private Key Size : "+str(Link.KEYSIZE*8)+" bits")
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2018-04-16 22:04:28 +02:00
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def panic():
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2021-09-24 16:09:07 +02:00
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os._exit(255)
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def exit():
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2021-11-04 17:14:58 +01:00
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print("")
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2023-06-05 23:31:52 +02:00
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sys.exit(0)
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